1. The act of purposely or mistakenly bringing less than adequate weaponry to either a military conflict or a poorly organized hardcore show.

2. The process by which a cable router renews a DNS coordinate.

"Shit fool, that s.a. brought a knife to this gunfight, whereas I brought a gun. To this battle between guns primarily. If I were to rephrase this using the present participle, I would say that he is bringing a knife to a gunfight. What a dumbass."